1.79 ct Cushion Blue Sapphire, GRS, Unheated

1.79 ct Blue Sapphire, cushion cut. Unheated: the colour is as the stone formed, with no heat treatment. GRS report GRS2024-081544. Measurements: 8.18 × 6.72 × 3.55 mm. Our grading: fine quality intense blue. Stock number CS-0048. Approved trade buyers can sign in on this page for pricing, or WhatsApp or email us about this stone. Viewings by appointment in Toronto, Hong Kong, Bangkok and Dubai.

“Intense” in its colour grade indicates strong, well-saturated colour. It is documented by GRS (GemResearch Swisslab), a Swiss laboratory widely used for coloured stones. Its length-to-width ratio is 1.22. A good size for a solitaire ring, a halo design or a pendant.

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Further reading: Reading a GRS Report: Pigeon's Blood, Royal Blue, Vivid and the Comments Line · Heated vs Unheated Sapphire: What the Difference Means for Price